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18293043022 = 2193115528899
BaseRepresentation
bin10001000010010110…
…011010111101001110
31202012212120212110221
4101002112122331032
5244431004334042
612223111221554
71215214204642
oct210226327516
952185525427
1018293043022
117837a44a81
1236663778ba
131956b63917
14c5770cc22
15720e90d67
hex44259af4e

18293043022 has 16 divisors (see below), whose sum is σ = 29815488000. Its totient is φ = 8385604920.

The previous prime is 18293043019. The next prime is 18293043029. The reversal of 18293043022 is 22034039281.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18293043029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7763272 + ... + 7765627.

It is an arithmetic number, because the mean of its divisors is an integer number (1863468000).

Almost surely, 218293043022 is an apocalyptic number.

18293043022 is a deficient number, since it is larger than the sum of its proper divisors (11522444978).

18293043022 is a wasteful number, since it uses less digits than its factorization.

18293043022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15528951.

The product of its (nonzero) digits is 20736, while the sum is 34.

The spelling of 18293043022 in words is "eighteen billion, two hundred ninety-three million, forty-three thousand, twenty-two".

Divisors: 1 2 19 31 38 62 589 1178 15528899 31057798 295049081 481395869 590098162 962791738 9146521511 18293043022